类初始化顺序执行结果

class Y {
    public Y() {
        System.out.println("Y的构造方法");
    }

    X x = new X();
    {
        System.out.println("Y的构造代码块");
    }

    static {
        System.out.println("Y类的静态代码块初始化");
    }
    static int i = 11;
    static {
        i = 22;
        System.out.println("Y类的静态代码块初始化，且静态变量i的值是：" + i);
    }
}

class X {
    public X() {
        System.out.println("X的构造方法");
    }

    {
        System.out.println("X的构造代码块");
    }
    static {
        System.out.println("X类的静态代码块初始化");
    }
    static int i = 1;
    static {
        i = 2;
        System.out.println("X类的静态代码块初始化，且静态变量i的值是：" + i);
    }
}

public class Z extends Y {

    public static void main(String[] args) {
        new Z();
    }

    public Z() {
        System.out.println("Z的构造方法");
    }

    X x = new X();
    {
        System.out.println("Z的构造代码块");
    }
    static {
        System.out.println("Z类的静态代码块初始化");
    }
    static int i = 111;
    static {
        i = 222;
        System.out.println("Z类的静态代码块初始化，且静态变量i的值是：" + i);
    }
}